Answer:
it is part B
Step-by-step explanation:
<span> 82+ 90+78+100 = 350
</span><span>Tim wants to have a test average of 90% on all of his 6 tests then
</span>90 x 6 = 540
540 - 350 = 190
<span> the average of Tim’s next two tests = 190 / 2 = 95
answer
</span><span>average of Tim’s next two tests must be 95</span>
Answer: (7.27%, 7.55%)
Step-by-step explanation:
As per given , we have
Sample size : n= 392
Sample mean : 

Critical two-tailed z-value for 95% confidence = 
Required confidence interval would be :

Hence, the required 95% confidence interval for the mean percentage share of billing volume from network television for the population of all U.S. advertising agencies : (7.27%, 7.55%)
Answer:
It could be $12.05.
Step-by-step explanation:
I don't really understand it but, i did 80% divided by 10 but it would be $0.08 and i don't think it would be that so i did 10 divided by 80 and it came out as $12.05.
i haven't done that in school so im not sure
Step-by-step explanation:
the solution is found in the images above